Tire sidewall



FIG. 1 is a front perspective view of a tire sidewall showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof, wherein a bottom plan view is a mirror image of the top plan view;

FIG. 4 is a right side view thereof, wherein a left side view is a mirror image of the right side view;

FIG. 5 is a rear view thereof;

FIG. 6 is a cross-sectional view taken along line 6-6 shown in FIG. 4 ; and,

FIG. 7 is an enlarged view of a portion 7 indicated in FIG. 6 .

The broken lines show portions of the tire sidewall that form no part of the claimed design. 

CLAIM The ornamental design for a tire sidewall, as shown and described. 